(White-blooded) The crocodile icefish or white-blooded fish (Channichthyidae) are a family of perciform fish found in the cold waters around Antarctica and southern South America. Fifteen species of crocodile icefish are known. They feed on krill, copepods, and other fish.

function

perform as expected when applied; “The washing machine won’t go unless it’s plugged in”; “Does this old car still run well?”; “This old radio doesn’t work anymore”

Practical use or purpose in design

(mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function)

serve: serve a purpose, role, or function; “The tree stump serves as a table”; “The female students served as a control group”; “This table would serve very well”; “His freedom served him well”; “The table functions as a desk”

An activity or purpose natural to or intended for a person or thing

A basic task of a computer, esp. one that corresponds to a single instruction from the user

Is simply the glossary of terms and acronyms, you can find them below in alphabetic order. Fundamental concepts and acronyms may also have an associated Blog post, if that is the case the acronym or term will be hyper-linked to the respective post.

cells

(cell) any small compartment; “the cells of a honeycomb”

A small room in which a prisoner is locked up or in which a monk or nun sleeps

A small monastery or nunnery dependent on a larger one

(cell) a device that delivers an electric current as the result of a chemical reaction

A small compartment in a larger structure such as a honeycomb

(cell) (biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals

What is this?

Captured whilst making a time tapse video.
What is it?
Notice that the "wings" appear to be going in opposite directions!